BOILERS AND DRAUGHT
Short Answer Questions
| BOILERS AND DRAUGHT | 
| What are the requirements of a
  good steam boiler? | 
| How the steam boilers are
  classified? | 
| Write the difference between
  fire tube and water tube boilers. | 
| What are the major differences between boiler mountings and boiler
  accessories? Give the examples of each. | 
| Explain the use of following: (i)
  water level indicator, (ii) pressure gauge. | 
| What is the
  function of fusible plug and man hole in boilers? | 
| Define the term “equivalent
  evaporation”. | 
| Define the term “factor of
  evaporation”. | 
| Define the term “boiler
  efficiency”. | 
| What are the various heat
  losses in boilers? | 
| What is the difference between
  subcritical and supercritical boiler? | 
| Explain why air preheaters are
  used in a high pressure boiler? | 
| State which type of boiler is
  used for power generation. | 
| What are the various applications of locomotive boilers? | 
| Define the term
  Draught and mention the types. | 
| Write the basic
  functions of a chimney in a natural draught. | 
| What is
  artificial draught in thermal power plant? | 
| What is FD fan in
  boiler? | 
| Why are ID fans
  bigger than FD fans? | 
| Compare force and
  induced draught. | 
Composed By:   
  
 R.Satheesh, M.E., Asso.Prof.,
E-Mail:  rsatheeshemail@gmail.com
 
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